Puvo, Inc., manufactures a single product in which variable manufacturing overhead is assigned on the basis of standard direct labor-hours. The company uses a standard cost system and has established the following standards for one unit of product Standard Price Standard Standard Quantity or Rate Cost Direct materials 7.40 pounds $ 1.20 per pound $ 8.88 Direct labor 0.40 hours $49.50 per hour $19.80 Variable manufacturing overhead 0.40 hours $10.10 per hour $ 4.04 During March, the following activity was recorded by the company: . The company produced 4,000 units during the month A total of 21000 pounds of material were purchased at a cost of $15,180, There was no beginning Inventory of materials on hand to start the month; at the end of the month, 5,220 pounds of material remained in the warehouse. . During March, 1,250 direct lobor-hours were worked at a rate of $46,50 per hour. Variable manufacturing overhead costs during March totaled $15,661 The direct materials purchases variance is computed when the materials are purchased. The variable overhead rate variance for March is: A manufacturing company that has only one product has established the following standards for its variable manufacturing overhead. The company bases its variable manufacturing overhead standards on direct labor-hours. Standard hours per unit of output Standard variable overhead rate 3.10 DLHS $10.45 per DLH The following data pertain to operations for the last month: Actual direct labor-hours Actual total variable manufacturing overhead cost Actual output 9,500 DLHS $95,770 2,800 units What is the variable overhead efficiency variance for the month